Restore Your Cadillac’s Brain and Banish Electrical Gremlins
Is your 2015 Cadillac Escalade acting possessed? Flickering lights, unresponsive power windows, random warning chimes, or a car that refuses to start can all point to one culprit: a failing Body Control Module (BCM). As the central command center for your vehicle’s electronics, a faulty BCM can turn your luxury SUV into a source of constant frustration. In my 20+ years as a technician, I’ve seen how a bad BCM can mimic a dozen other problems, leading to expensive and incorrect repairs. This isn’t just an inconvenience; it’s a matter of reliability and safety.
We offer a straightforward, reliable solution. Instead of paying steep dealership prices for a new module and then hundreds more for programming, our service provides a replacement BCM that is precisely cloned from your original unit. This means all your vehicle-specific data, including key information and factory options, is transferred over. The result is a plug-and-play module that restores your Escalade’s functionality without the need for a trip to the dealer. This is the most efficient way to get a fully working 2015 Escalade Body Control Module.
A Technician’s Notebook: The Case of the Haunted Escalade
A customer brought in a 2015 Escalade with a list of bizarre symptoms. The radio would randomly change stations, the interior lights would flicker while driving, and occasionally, the power liftgate would refuse to open. They had already replaced the battery and alternator with no success. After hooking up the scan tool, I saw multiple ‘U’ codes (U0140, U0155) indicating a loss of communication with the BCM. Instead of just throwing a new part at it, we tested the power and ground circuits to the module—they were perfect. This confirmed the BCM itself was failing internally. By providing a cloned BCM, we restored all functions in a single afternoon, saving the customer from further diagnostic headaches and the high cost of a dealership visit.
Common Signs of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system acting up, causing alarm or starting issues.
- ✔ Warning lights on the dashboard, such as for the airbag or ABS system.
- ✔ Communication error codes (often starting with ‘U’) stored in the system.
- ✔ The vehicle failing to start, even with a good battery and starter.
A Straightforward Guide to Installation
Our cloning service makes the physical swap simple. Here’s a general guide for replacing your 2015 Escalade Body Control Module:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On the 2015 Escalade, the BCM is typically located under the steering column, behind the lower dash panel. You may need to remove a few trim pieces for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely fasten it. Reconnect all electrical connectors, ensuring they click into place.
- Reconnect Power: Reattach the negative battery terminal.
- Test and Verify: Start the vehicle and test all body functions—windows, locks, lights, radio, etc.—to confirm the repair was successful.
Important Post-Installation Steps
After installing your new BCM, a couple of system relearns may be necessary. This is normal, as the new module needs to sync with other components.
- Airbag System Sync: If the airbag warning light is illuminated, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the BCM.
- Brake Pedal Position Relearn: To ensure proper brake light and traction control operation, a brake pedal position sensor recalibration might be required.
Disclaimer: Vehicle systems vary. Always consult a factory service manual or a qualified technician for procedures specific to your vehicle.
Verified Vehicle Compatibility
This BCM is a direct-fit replacement for several GM models and part numbers. Please verify your part number is on this list. Our programming service ensures it works seamlessly with your vehicle’s specific configuration.
Part Numbers: 13592137, 13506935, 13506936, 13587704, 13594764
Fits Models Including:
- 2015 Cadillac ATS, CTS, Escalade, Escalade ESV, XTS
- 2015 Chevrolet Corvette, Silverado 1500/2500/3500, Suburban 1500, Tahoe
- 2015-2016 Chevrolet Impala (New Style)
- 2015-2018 Chevrolet Sonic
- 2015 GMC Sierra 1500/2500/3500 & Denali Models
- 2015 GMC Yukon & Yukon XL 1500
Frequently Asked Questions
How does the mail-in cloning service work?
After you purchase, we will contact you with simple instructions to ship your original BCM to us. Once we receive it, our technicians will transfer all the data to the replacement module and ship it back to you, usually within one business day.
Do I need to have my keys reprogrammed?
No. Because we are cloning your original module, all key fob and security information is transferred over. Your existing keys will work immediately upon installation.
Is this a guaranteed fix for my vehicle’s problems?
This part will fix issues directly caused by a faulty BCM. While the symptoms listed are common for BCM failure, we always recommend a proper diagnosis by a qualified mechanic to confirm the BCM is the root cause before purchasing.
What tools are required for the post-installation procedures?
The Airbag System Sync and Brake Pedal Position Relearn procedures require a professional-grade bidirectional scan tool (like a Snap-on, Autel, or GM Tech 2). Most basic code readers cannot perform these functions.
Is there a core charge?
No, there is no core charge. We need your original module for the data transfer, but you are welcome to have it shipped back to you along with the newly programmed unit.